Engineered Passive Nonlinearities for Broadband Passive Intermodulation Distortion Mitigation

被引：45
|
作者：
Henrie, Justin [1 ]
Christianson, Andrew [1 ]
Chappell, William J. [1 ,2 ]
机构：
[1] Purdue Univ, Dept Elect & Comp Engn, W Lafayette, IN 47907 USA
[2] Purdue Univ, Birck Nanotechnol Ctr, W Lafayette, IN 47907 USA
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2009年 / 19卷 / 10期
关键词：
Coaxial connectors; communication system nonlinearities; interchannel interference; nonlinear circuits; nonlinear distortion; passive intermodulation (PIM);
D O I：
10.1109/LMWC.2009.2029733
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
By adding controlled thicknesses of nickel and gold plating to the conductors of a coaxial transmission line, the magnitude of passive intermodulation produced by the transmission line can be controlled with precision. Theoretical predictions of distortion magnitude as a function of plating thicknesses are presented, along with an experimental validation. These adjustable-magnitude passive intermodulation sources are used to give a fourfold improvement in the bandwidth of techniques presented previously, demonstrating that cancellation can for the first time be achieved in bandwidths needed for cellular systems.
引用
收藏
页码：614 / 616
页数：3
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